package com.projecetest.eduservice.controller;


import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.projecetest.commonutils.R;
import com.projecetest.eduservice.entity.EduTeacher;
import com.projecetest.eduservice.entity.vo.TeacherQuery;
import com.projecetest.eduservice.service.EduTeacherService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * <p>
 * 讲师 前端控制器
 * </p>
 *
 * @author Captain
 * @since 2021-07-22
 */
@Api(description="讲师管理")
@RestController
@RequestMapping("/eduservice/edu-teacher")
@CrossOrigin
public class EduTeacherController {

    //访问地址 http://localhost:8001/eduservice/edu-teacher/findAll
    //service注入
    @Autowired
    private EduTeacherService teacherService;

    //查询讲师表所有数据
    @ApiOperation(value = "查询所有讲师")
    @GetMapping("findAll")
    public R findAllTeacher()
    {
        List<EduTeacher> list = teacherService.list(null);
        return R.ok().data("items",list);
    }

    //逻辑删除讲师
    @ApiOperation(value = "逻辑删除讲师")
    @DeleteMapping("{id}")
    public R removeTeacher(@ApiParam(name = "id", value = "讲师ID", required = true)
                                     @PathVariable String id)
    {
        boolean flag = teacherService.removeById(id);
        if (flag)
        {
            return R.ok();
        }
        else
        {
            return R.error();
        }
    }

    //分页查询讲师
    @ApiOperation(value = "分页查询讲师")
    @GetMapping("pageTeacher/{current}/{limit}")
    public R pageListTeacher(@PathVariable long current,
                                @PathVariable long limit)
    {
        //创建page对象
        Page<EduTeacher> pageTeacher = new Page<>(current,limit);
        teacherService.page(pageTeacher,null);

        long total = pageTeacher.getTotal();
        List<EduTeacher> records = pageTeacher.getRecords();

        return R.ok().data("total",total).data("items",records);
    }

    //条件查询分页
    @ApiOperation(value = "条件分页查询")
    @PostMapping("pageTeacherCondition/{current}/{limit}")
    public R pageTeacherCondition(@PathVariable long current,
                                  @PathVariable long limit,
                                  @RequestBody(required = false) TeacherQuery teacherQuery)
    {
        //创建page对象
        Page<EduTeacher> pageTeacher = new Page<>(current,limit);

        //构建条件
        QueryWrapper<EduTeacher> wrapper = new QueryWrapper<>();
        String name = teacherQuery.getName();
        Integer level = teacherQuery.getLevel();
        String begin = teacherQuery.getBegin();
        String end = teacherQuery.getEnd();

        if (!StringUtils.isEmpty(name))
        {
            wrapper.like("name",name);
        }
        if (!StringUtils.isEmpty(level))
        {
            wrapper.eq("level",level);
        }
        if (!StringUtils.isEmpty(begin))
        {
            wrapper.ge("gmt_create",begin);
        }
        if (!StringUtils.isEmpty(end))
        {
            wrapper.le("gmt_create",end);
        }
        //排序
        wrapper.orderByDesc("gmt_create");

        //调用方法实现条件查询分页
        teacherService.page(pageTeacher,wrapper);
        long total = pageTeacher.getTotal();
        List<EduTeacher> records = pageTeacher.getRecords();

        return R.ok().data("total",total).data("items",records);
    }

    //添加讲师
    @ApiOperation(value = "添加讲师")
    @PostMapping("addTeacher")
    public R addTeacher(@RequestBody EduTeacher eduTeacher)
    {
        boolean save = teacherService.save(eduTeacher);
        if (save)
        {
            return R.ok();
        }
        else
        {
            return R.error();
        }
    }

    //根据讲师id进行查询
    @ApiOperation(value = "查询讲师")
    @GetMapping("getTeacher/{id}")
    public R getTeacher(@PathVariable String id)
    {
        EduTeacher eduTeacher = teacherService.getById(id);
        return R.ok().data("teacher",eduTeacher);
    }

    //修改讲师
    @ApiOperation(value = "修改讲师")
    @PostMapping("updateTeacher")
    public R updateTeacher(@RequestBody EduTeacher eduTeacher)
    {
        boolean flag = teacherService.updateById(eduTeacher);
        if (flag)
        {
            return R.ok();
        }
        else
        {
            return R.error();
        }
    }
}

